US2427476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated multiple-coil water heater
Assignee: Individual
•
Filing: 1945-07-05
•
Granted: 1947-09-16
•
Expires: 1965-07-05
Abstract
No abstract record available.
Inventors
- 👤 Wenzel O Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/22; F24H1/225; F24H3/00; F24H3/02; F24H3/04; F24H3/0405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE16716E
Cited
US1077035A
Cited
US1654551A
Cited
US1820458A
Cited
US1907357A
Cited
US2116896A
Cited
US2166509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |